With your key in the door lock cylinder.
The Volt has an auxiliary battery back-up that allows the electronic door locks to still operate.
A locked phone should indicate to you that it is locked when you push a button, or swipe the screen.
Push all the door locks down manually and then lock the drivers door with your key if it will not stay locked when you push the lock down and shut the door.
Is the remote's battery dead?
Replace the battery or jump the battery.
If the battery is dead the alarm will not go off
Key
needs to be synced or the battery is dead
There is a metallic key inside the electronic key, it pops out once you push the small latch above the key. u may use that.
When the battery is dead in a 97 Catera, the electric locks will open manually with the key.
If you have electric locks, the battery is what actually does the 'unlocking'. If the battery is dead, it obviously won't work. Many locks have a supplementary mechanical linkage to allow unlocking by turning the key in the door lock, but sometimes that mechanism is broken. Try unlocking the passenger side, as a backup plan.
most techs have a professional kit to enter a locked car. if you know about your electrical system you could jack car up,using a safety jackstand using a external 12 volt battery and jump cables send positive power to starter battery lead and the other to a metal ground on the chassis this should feed system enough to pop power locks,dont start it like this